Grand Prismatic Spring is the largest hot spring in Yellowstone National Park. Its size and vibrant colors have amazed visitors since the Park was established in 1872. An American Bison strolls across the colorful arms and run-off channels. Image taken by Ann C. Skelton of Nature In Pixels.

Overall size is 6¼”x4½” folded. White envelopes are included. Inside of notecards are blank so you can inscribe your own heartfelt message.